过去几年，生活水平一直在逐渐下降。

There's been a ___progressive decline in the standard of living over the past few years.

阿尔茨海默症是一种随着时间推移逐渐恶化的疾病。

Alzheimer's is a ___progressive disease that worsens over time.

她健康的改善是缓慢且逐渐的。

The improvement in her health was slow and ___progressive.